Many beliefs depend on memories, and memories can be unreliable. This
chapter deals briefly with the anatomy and physiology of memory, and defines the
different kinds of memory _ long-term or declarative memory, which includes episodic
or autobiographical memory, and semantic memory or memory of learned knowledge,
source memory, procedural memory, working memory, and implicit, tacit or nondeclarative
memory. Special attention is given to working memory and tacit memory,
because they are important, and will be unfamiliar to some readers.
Keywords: Belief, Implicit memory, Memory, Neural plasticity, Working
memory.